Fix utility script bugs

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/user/configs/gui/openlens/default.nix

@@ -14,10 +14,10 @@ in
       (pkgs.formats.json { }).generate "lens-user-store.json"
         {
           __internal__ = {
-	          migrations = {
-			        version = "6.5.0";
-		        };
-	        };
+            migrations = {
+              version = "6.5.0";
+            };
+          };
 
           preferences = {
             colorTheme = "system";

hosts/installer/README.md

@@ -1 +1,13 @@
 # installer
+
+I have automated myself out of a job. How to use:
+
+1. Boot into installer
+2. Unlock luks partition
+3. Run the following commands:
+
+   ```
+   cd /etc/nixos
+   direnv allow
+   sudo ./lib/scripts/install.sh
+   ```